See also:

Applying automatically
Your vehicle's electric parking brake is automatically applied if DISTRONIC PLUS or the HOLD function bring the vehicle to a standstill, or are engaged to keep the vehicle stationary. In addit ...

Working on the vehicle
WARNING When working on the vehicle, engage the electronic parking brake and shift the automatic transmission into park position P. Otherwise the vehicle could roll away which could result ...

Brake fluid level
If you notice that the brake fluid level in the brake fluid reservoir has fallen to the MIN mark or less, check the brake system immediately for leaks. Also check the thickness of the brake lini ...